rotary pump

noun

: a valveless pump in which the fluid is positively pushed by meshing vanes on parallel revolving shafts and meshing screws into the discharge pipe

Word History

First Known Use

1799, in the meaning defined above

Time Traveler
The first known use of rotary pump was in 1799

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Dictionary Entries Near rotary pump

rotary press

rotary pump

rotary reflection axis

See More Nearby Entries 

Cite this Entry

“Rotary pump.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rotary%20pump. Accessed 30 Nov. 2024.

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